/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.plugin.task.api;

import java.util.Collection;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

public class TaskExecutionContextCacheManager {

  private TaskExecutionContextCacheManager() {
    throw new IllegalStateException("Utility class");
  }

  /**
   * taskInstance cache
   */
  private static Map<Integer, TaskExecutionContext> taskRequestContextCache = new ConcurrentHashMap<>();

  /**
   * get taskInstance by taskInstance id
   *
   * @param taskInstanceId taskInstanceId
   * @return taskInstance
   */

  public static TaskExecutionContext getByTaskInstanceId(Integer taskInstanceId) {
    return taskRequestContextCache.get(taskInstanceId);
  }

  /**
   * cache taskInstance
   *
   * @param request request
   */
  public static void cacheTaskExecutionContext(TaskExecutionContext request) {
    taskRequestContextCache.put(request.getTaskInstanceId(), request);
  }

  /**
   * remove taskInstance by taskInstanceId
   *
   * @param taskInstanceId taskInstanceId
   */
  public static void removeByTaskInstanceId(Integer taskInstanceId) {
    taskRequestContextCache.remove(taskInstanceId);
  }

  public static boolean updateTaskExecutionContext(TaskExecutionContext request) {
    taskRequestContextCache.computeIfPresent(request.getTaskInstanceId(), (k, v) -> request);
    return taskRequestContextCache.containsKey(request.getTaskInstanceId());
  }

  public static Collection<TaskExecutionContext> getAllTaskRequestList() {
    return taskRequestContextCache.values();
  }
}
